warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> mfio-rt/src/test_suite.rs:764:34
    |
764 |         seq(run.writes_equal_rel(&tdir)).await;
    |                                  ^^^^^ help: change this to: `tdir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> mfio-rt/src/test_suite.rs:759:30
    |
759 |         seq(run.writes_equal(&tdir)).await;
    |                              ^^^^^ help: change this to: `tdir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> mfio-rt/src/test_suite.rs:737:38
    |
737 |             seq(run.writes_equal_rel(&tdir2)),
    |                                      ^^^^^^ help: change this to: `tdir2`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> mfio-rt/src/test_suite.rs:736:34
    |
736 |             seq(run.writes_equal(&tdir)),
    |                                  ^^^^^ help: change this to: `tdir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> mfio-rt/src/test_suite.rs:725:34
    |
725 |         seq(run.writes_equal_rel(&tdir2)).await;
    |                                  ^^^^^^ help: change this to: `tdir2`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> mfio-rt/src/test_suite.rs:724:30
    |
724 |         seq(run.writes_equal(&tdir)).await;
    |                              ^^^^^ help: change this to: `tdir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
    = note: `#[warn(clippy::needless_borrow)]` on by default

warning: this loop could be written as a `for` loop
    --> mfio-rt/src/virt/mod.rs:1064:9
     |
1064 |         while let Some(component) = components.next() {
     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for component in components`
     |
     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:949:24
    |
949 |           let root_dir = Arc::new(RwLock::new(Inode {
    |  ________________________^
950 | |             id: Some(id),
951 | |             parent_link: None,
952 | |             entry: InodeData::Dir(VirtDirInner {
...   |
955 | |             metadata: Metadata::empty_dir(Permissions {}, None),
956 | |         }));
    | |___________^
    |
    = note: the trait `Sync` is not implemented for `RwLock<Inode>`
    = note: required for `Arc<RwLock<Inode>>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:858:30
    |
858 |               new_entry.insert(Arc::new(RwLock::new(Inode {
    |  ______________________________^
859 | |                 id: Some(id),
860 | |                 parent_link: Some(ParentLink {
861 | |                     parent: parent_id,
...   |
865 | |                 metadata,
866 | |             })));
    | |_______________^
    |
    = note: the trait `Sync` is not implemented for `RwLock<Inode>`
    = note: required for `Arc<RwLock<Inode>>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:841:24
    |
841 |           let root_dir = Arc::new(RwLock::new(Inode {
    |  ________________________^
842 | |             id: Some(id),
843 | |             parent_link: None,
844 | |             entry: InodeData::Dir(VirtDirInner {
...   |
847 | |             metadata: Metadata::empty_dir(Permissions {}, None),
848 | |         }));
    | |___________^
    |
    = note: the trait `Sync` is not implemented for `RwLock<Inode>`
    = note: required for `Arc<RwLock<Inode>>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync

warning: using `Result.and_then(|x| Ok(y))`, which is more succinctly expressed as `map(|x| y)`
   --> mfio-rt/src/virt/mod.rs:689:19
    |
689 |           let ret = inode
    |  ___________________^
690 | |             // TODO: do we want to filter here, since we are returning None later anyways. The only
691 | |             // difference here is that we are doing so with read-only lock.
692 | |             .filter(|dir| matches!(dir.read().entry, InodeData::Dir(_)))
...   |
698 | |                 })
699 | |             });
    | |______________^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bind_instead_of_map
    = note: `#[warn(clippy::bind_instead_of_map)]` on by default
help: try
    |
689 ~         let ret = inode
690 +             // TODO: do we want to filter here, since we are returning None later anyways. The only
691 +             // difference here is that we are doing so with read-only lock.
692 +             .filter(|dir| matches!(dir.read().entry, InodeData::Dir(_)))
693 +             .ok_or(mferr!(Directory, NotFound, Filesystem)).map(|inode| VirtDir {
694 +                     inode,
695 +                     fs: self.fs.clone(),
696 ~                 });
    |

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:609:26
    |
609 |           new_entry.insert(Arc::new(RwLock::new(Inode {
    |  __________________________^
610 | |             entry: InodeData::File(VirtFileInner {
611 | |                 data: from_file.data.clone(),
612 | |             }),
...   |
619 | |             metadata: from.metadata.clone(),
620 | |         })));
    | |___________^
    |
    = note: the trait `Sync` is not implemented for `RwLock<Inode>`
    = note: required for `Arc<RwLock<Inode>>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:421:37
    |
421 |   ...                   .insert(Arc::new(RwLock::new(Inode {
    |  _______________________________^
422 | | ...                       id: Some(id),
423 | | ...                       parent_link: Some(ParentLink { parent, name }),
424 | | ...                       entry: InodeData::Dir(VirtDirInner {
...   |
427 | | ...                       metadata: Metadata::empty_dir(Permissions {}, None),
428 | | ...                   })))
    | |_________________________^
    |
    = note: the trait `Sync` is not implemented for `RwLock<Inode>`
    = note: required for `Arc<RwLock<Inode>>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync

warning: this loop could be written as a `for` loop
   --> mfio-rt/src/virt/mod.rs:378:9
    |
378 |         while let Some(component) = components.next() {
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `for component in components`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_on_iterator
    = note: `#[warn(clippy::while_let_on_iterator)]` on by default

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:354:26
    |
354 |               entry.insert(Arc::new(RwLock::new(Inode {
    |  __________________________^
355 | |                 id: Some(id),
356 | |                 metadata: Metadata::empty_dir(Permissions {}, None),
357 | |                 entry: InodeData::Dir(VirtDirInner {
...   |
363 | |                 }),
364 | |             })));
    | |_______________^
    |
    = note: the trait `Sync` is not implemented for `RwLock<Inode>`
    = note: required for `Arc<RwLock<Inode>>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync

warning: unneeded `return` statement
   --> mfio-rt/src/virt/mod.rs:348:13
    |
348 |             return Err(mferr!(Directory, AlreadyExists, Filesystem));
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
    = note: `#[warn(clippy::needless_return)]` on by default
help: remove `return`
    |
348 -             return Err(mferr!(Directory, AlreadyExists, Filesystem));
348 +             Err(mferr!(Directory, AlreadyExists, Filesystem))
    |

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:164:33
    |
164 |                           .insert(Arc::new(RwLock::new(Inode {
    |  _________________________________^
165 | |                             id: Some(id),
166 | |                             parent_link: Some(ParentLink {
167 | |                                 name: name.clone(),
...   |
171 | |                             metadata: Metadata::empty_file(Permissions {}, None),
172 | |                         })))
    | |___________________________^
    |
    = note: the trait `Sync` is not implemented for `RwLock<Inode>`
    = note: required for `Arc<RwLock<Inode>>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync

warning: usage of an `Arc` that is not `Send` or `Sync`
   --> mfio-rt/src/virt/mod.rs:108:23
    |
108 |         Self::from_fs(Arc::new(VirtFs::default()))
    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: the trait `Send` is not implemented for `VirtFs`
    = note: the trait `Sync` is not implemented for `VirtFs`
    = note: required for `Arc<VirtFs>` to implement `Send` and `Sync`
    = help: consider using an `Rc` instead or wrapping the inner type with a `Mutex`
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#arc_with_non_send_sync
    = note: `#[warn(clippy::arc_with_non_send_sync)]` on by default

warning: you should consider adding a `Default` implementation for `VirtRt`
  --> mfio-rt/src/virt/mod.rs:63:5
   |
63 | /     pub fn new() -> Self {
64 | |         Self {
65 | |             cwd: VirtDir::default(),
66 | |             backend: BackendContainer::new_dyn(pending()),
67 | |         }
68 | |     }
   | |_____^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
   = note: `#[warn(clippy::new_without_default)]` on by default
help: try adding this
   |
62 + impl Default for VirtRt {
63 +     fn default() -> Self {
64 +         Self::new()
65 +     }
66 + }
   |

warning: redundant guard
  --> mfio-rt/src/util.rs:44:39
   |
44 |                 (Some(_), Some(b)) if b == Component::ParentDir => return None,
   |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_guards
help: try
   |
44 -                 (Some(_), Some(b)) if b == Component::ParentDir => return None,
44 +                 (Some(_), Some(Component::ParentDir)) => return None,
   |

warning: redundant guard
  --> mfio-rt/src/util.rs:43:39
   |
43 |                 (Some(a), Some(b)) if b == Component::CurDir => comps.push(a),
   |                                       ^^^^^^^^^^^^^^^^^^^^^^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_guards
   = note: `#[warn(clippy::redundant_guards)]` on by default
help: try
   |
43 -                 (Some(a), Some(b)) if b == Component::CurDir => comps.push(a),
43 +                 (Some(a), Some(Component::CurDir)) => comps.push(a),
   |

warning: associated function `null` is never used
   --> mfio-rt/src/util.rs:128:12
    |
127 | impl RawBox {
    | ----------- associated function in this implementation
128 |     pub fn null() -> Self {
    |            ^^^^

warning: function `new_socket` is never used
  --> mfio-rt/src/native/impls/unix_extra.rs:19:15
   |
19 | pub(crate) fn new_socket(
   |               ^^^^^^^^^^

warning: function `new_for_addr` is never used
 --> mfio-rt/src/native/impls/unix_extra.rs:7:15
  |
7 | pub(crate) fn new_for_addr(
  |               ^^^^^^^^^^^^
  |
  = note: `#[warn(dead_code)]` on by default

warning: this expression creates a reference which is immediately dereferenced by the compiler
   --> mfio-rt/src/test_suite.rs:764:34
    |
764 |         seq(run.writes_equal_rel(&tdir)).await;
    |                                  ^^^^^ help: change this to: `tdir`
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow